<!--  -->
<template>
  <div class="sales-view">
    <el-card shadow="hover">
      <template v-slot:header>
        <div class="menu-wrapper">
          <el-menu
            :default-active="activeIndex"
            class="el-menu-demo"
            mode="horizontal"
            @select="onMenuSelect"
          >
            <el-menu-item index="1">销量额</el-menu-item>
            <el-menu-item index="2">访问量</el-menu-item>
          </el-menu>
          <div class="menu-right">
            <el-radio-group v-model="radioSelect" size="small">
              <el-radio-button label="今日"></el-radio-button>
              <el-radio-button label="本周" disabled></el-radio-button>
              <el-radio-button label="本月"></el-radio-button>
              <el-radio-button label="今年"></el-radio-button>
            </el-radio-group>
            <el-date-picker
              v-model="date"
              type="daterange"
              unlink-panels
              size="small"
              :picker-options="pickerOptions"
              range-separator="至"
              start-placeholder="开始日期"
              end-placeholder="结束日期"
              class="sales-view-date-picker"
            >
            </el-date-picker>
          </div>
        </div>
      </template>
      <template>
        <div class="sales-view-chart-wrapper">
          <div id="salesView" :style="{ width: '80%', height: '100%' }"></div>
          <div class="sales-view-list">
            <div class="sales-view-title">排行榜</div>
            <div class="list-item-wrapper">
              <div class="list-item" v-for="item in rank" :key="item.no">
                <div :class="['list-item-no',+item.no<=3 ? 'top-no':'']">{{item.no}}</div>
                <div class="list-item-name">{{item.name}}</div>
                <div class="list-item-money">{{item.money}}</div>
              </div>
            </div>
          </div>
        </div>
      </template>
    </el-card>
  </div>
</template>

<script>
export default {
  data() {
    return {
      activeIndex: "1",
      radioSelect: "今日",
      date: null,
      pickerOptions: {
        shortcuts: [
          {
            text: "最近一周",
            onClick(picker) {
              const start = new Date();
              const end = new Date();
              start.setTime(start.getTime() - 3600 * 24 * 1000 * 7);
              picker.$emit("pick", [start, end]);
            },
          },
          {
            text: "最近一个月",
            onClick(picker) {
              const start = new Date();
              const end = new Date();
              start.setTime(start.getTime() - 3600 * 24 * 1000 * 30);
              picker.$emit("pick", [start, end]);
            },
          },
          {
            text: "最近三个月",
            onClick(picker) {
              const start = new Date();
              const end = new Date();
              start.setTime(start.getTime() - 3600 * 24 * 1000 * 90);
              picker.$emit("pick", [start, end]);
            },
          },
        ],
      },
      rank: [
        { money: "211,335", name: "排1", no: 1 },
        { money: "211,335", name: "排2", no: 2 },
        { money: "211,335", name: "排3", no: 3 },
        { money: "211,335", name: "排4", no: 4 },
        { money: "211,335", name: "排5", no: 5 },
        { money: "211,335", name: "排6", no: 6 },
        { money: "211,335", name: "排7", no: 7 },
      ],
    };
  },
  mounted(){
    this.getEcharts(['12','23',"34",'45','12'],['1月','2月',"3月",'4月','5月'],'年度销售额')
  },
  methods: {
    onMenuSelect(index) {
      console.log(index); 
      
      this.activeIndex = index;
      if(index === '1'){
        this.getEcharts(['12','23',"34",'45','12'],['1月','2月',"3月",'4月','5月'],'年度销售额')
      }else{
this.getEcharts(['121','223',"34",'45','102'],['1月','2月',"3月",'4月','5月'],'年度用户访问量')
      }
    },
    getEcharts(data, axis, title){
      let mychart = this.$echarts.init(document.getElementById('salesView'));
      let option = {
        title: {
            text: title,
            textStyle: {
              fontSize: 12,
              color: '#666'
            },
            left: 25,
            top: 20
          },
          xAxis: {
            type: 'category',
            data: axis,
            axisTick: {
              alignWithLabel: true,
              lineStyle: {
                color: '#999'
              }
            },
            axisLine: {
              lineStyle: {
                color: '#999'
              }
            },
            axisLabel: {
              color: '#333'
            }
          },
          yAxis: {
            axisLine: {
              show: false
            },
            axisTick: {
              show: false
            },
            splitLine: {
              lineStyle: {
                type: 'dotted',
                color: '#eee'
              }
            }
          },
          series: [{
            type: 'bar',
            barWidth: '35%',
            data
          }],
          color: ['#3398DB'],
          grid: {
            top: 70,
            left: 60,
            right: 60,
            bottom: 50
          }
      }
      mychart.setOption(option,true)
      window.onresize = mychart.resize;
    }
  },
};
</script>
<style lang="less" scoped>
.sales-view {
    margin-top: 20px;

    .menu-wrapper {
      position: relative;
      display: flex;

      .sales-view-menu {
        width: 100%;
        padding-left: 20px;

        .el-menu-item {
          height: 50px;
          line-height: 50px;
          margin: 0 20px;
        }
      }

      .menu-right {
        position: absolute;
        top: 0;
        right: 20px;
        height: 50px;
        display: flex;
        align-items: center;
        justify-content: flex-end;

        .sales-view-date-picker {
          margin-left: 20px;
        }
      }
    }

    .sales-view-chart-wrapper {
      display: flex;
      height: 270px;

      .echarts {
        flex: 0 0 70%;
        width: 70%;
        height: 100%;
      }

      .sales-view-list {
        flex: 1;
        width: 100%;
        height: 100%;
        overflow: hidden;

        .sales-view-title {
          margin-top: 20px;
          font-size: 12px;
          color: #666;
          font-weight: 500;
        }

        .list-item-wrapper {
          margin-top: 15px;

          .list-item {
            display: flex;
            align-items: center;
            font-size: 12px;
            height: 20px;
            padding: 6px 20px 6px 0;

            .list-item-no {
              display: flex;
              align-items: center;
              justify-content: center;
              width: 20px;
              height: 20px;
              color: #333;

              &.top-no {
                background: #000;
                border-radius: 50%;
                color: #fff;
                font-weight: 500;
              }
            }

            .list-item-name {
              margin-left: 10px;
              color: #333;
            }

            .list-item-money {
              flex: 1;
              text-align: right;
            }
          }
        }
      }
    }
  }
</style>
